Andy - you're not the only one. i still have that feeling - sometimes with guys that are young enough to be my sons! last week i got triggered in a weird way at the school where i teach by 11th and 8th grade boys. both are taller and stronger looking than me and i feel like a child when near them.
"That you are here - that life exists, and identity; that the powerful play goes on and you may contribute a verse. . . What will your verse be?" Robin Williams as John Keating in "Dead Poets Society"